24.71% is the change from 688 to 858
Calculation steps:
[( 858 - 688 ) ÷ 688] x 100 = 24.71%
Formula
Percentage change = [(858 - 688) / 688] x 100
Subtract the new number by the original number
858 - 688 = 170
170 ÷ 688 = 0.24709302325581395
0.24709302325581395 x 100 = 24.71%